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use crate::error::TopicError;
use std::convert::TryFrom;
#[derive(Debug, Clone, PartialEq)]
pub enum ResponseTopic {
SoftwareListResponse,
SoftwareUpdateResponse,
RestartResponse,
}
impl ResponseTopic {
pub fn as_str(&self) -> &'static str {
match self {
Self::SoftwareListResponse => r#"tedge/commands/res/software/list"#,
Self::SoftwareUpdateResponse => r#"tedge/commands/res/software/update"#,
Self::RestartResponse => r#"tedge/commands/res/control/restart"#,
}
}
}
impl TryFrom<String> for ResponseTopic {
type Error = TopicError;
fn try_from(value: String) -> Result<Self, Self::Error> {
match value.as_str() {
r#"tedge/commands/res/software/list"# => Ok(ResponseTopic::SoftwareListResponse),
r#"tedge/commands/res/software/update"# => Ok(ResponseTopic::SoftwareUpdateResponse),
r#"tedge/commands/res/control/restart"# => Ok(ResponseTopic::RestartResponse),
err => Err(TopicError::UnknownTopic {
topic: err.to_string(),
}),
}
}
}
impl TryFrom<&str> for ResponseTopic {
type Error = TopicError;
fn try_from(value: &str) -> Result<Self, Self::Error> {
Self::try_from(value.to_string())
}
}
#[derive(Debug, Clone, PartialEq)]
pub enum RequestTopic {
SoftwareListRequest,
SoftwareUpdateRequest,
RestartRequest,
}
impl RequestTopic {
pub fn as_str(&self) -> &'static str {
match self {
Self::SoftwareListRequest => r#"tedge/commands/req/software/list"#,
Self::SoftwareUpdateRequest => r#"tedge/commands/req/software/update"#,
Self::RestartRequest => r#"tedge/commands/req/control/restart"#,
}
}
}
#[cfg(test)]
mod tests {
use super::*;
use std::convert::TryInto;
#[test]
fn convert_response_topic_to_str() {
assert_eq!(
ResponseTopic::SoftwareListResponse.as_str(),
"tedge/commands/res/software/list"
);
assert_eq!(
ResponseTopic::SoftwareUpdateResponse.as_str(),
"tedge/commands/res/software/update"
);
}
#[test]
fn convert_str_into_response_topic() {
let list: ResponseTopic = "tedge/commands/res/software/list".try_into().unwrap();
assert_eq!(list, ResponseTopic::SoftwareListResponse);
let update: ResponseTopic = "tedge/commands/res/software/update".try_into().unwrap();
assert_eq!(update, ResponseTopic::SoftwareUpdateResponse);
let error: Result<ResponseTopic, TopicError> = "test".try_into();
assert!(error.is_err());
}
#[test]
fn convert_request_topic_to_str() {
assert_eq!(
RequestTopic::SoftwareListRequest.as_str(),
"tedge/commands/req/software/list"
);
assert_eq!(
RequestTopic::SoftwareUpdateRequest.as_str(),
"tedge/commands/req/software/update"
);
}
}
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